<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>大事件-后台登录页</title>
    <link rel="stylesheet" type="text/css" href="css/reset.css" />
    <link rel="stylesheet" type="text/css" href="css/iconfont.css" />
    <link rel="stylesheet" type="text/css" href="css/main.css" />
    <!-- 引入bootstrap的css文件 -->
    <link rel="stylesheet" href="./libs/bootstrap/css/bootstrap.min.css" />
    <!-- 引入jq文件 -->
    <script src="./libs/jquery-1.12.4.min.js"></script>
    <!-- 引入bootstrap的js文件 -->
    <script src="./libs/bootstrap/js/bootstrap.min.js"></script>
</head>

<body>
    <div class="main_wrap">
        <div class="header">
            <a href="#" class="logo"><img src="images/logo.png" alt="" /></a>
            <div class="copyright">
                CopyRight © 2019 深圳百秀信息技术股份有限公司<br />All Rights Reserved
            </div>
        </div>

        <div class="login_form_con">
            <div class="login_title"></div>
            <form class="login_form">
                <i class="iconfont icon-user"></i>
                <i class="iconfont icon-key"></i>
                <input type="text" class="input_txt" placeholder="邮箱/手机号" />
                <input type="password" class="input_pass" placeholder="密码" />
                <input type="submit" class="input_sub" value="登 录" />
            </form>
        </div>
    </div>

    <!-- 模态框静态结构 -->
    <div class="modal fade" tabindex="-1" role="dialog" id="myModal">
        <div class="modal-dialog" role="document">
            <div class="modal-content">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                    <h4 class="modal-title">傻猪猪,上课认真听讲</h4>
                </div>
                <div class="modal-body">
                    <p></p>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-default btn-success" data-dismiss="modal">确定</button>
                </div>
            </div>
            <!-- /.modal-content -->
        </div>
        <!-- /.modal-dialog -->
    </div>
    <!-- /.modal -->
</body>

</html>
<script src="./libs/https.js"></script>
<script>
    $(function() {
        //1.给登录按钮设置点击事件
        $('.input_sub').on('click', function(e) {
            e.preventDefault();
            //2. 获取输入内容
            let username = $('.input_txt').val().trim();
            let password = $('.input_pass').val().trim();

            //3.判断是否为空
            if (username == '' || password == '') {
                // alert('傻猪猪，请输入内容'); // 不使用原生的弹窗
                //使用bootstrap插件弹窗
                $('#myModal').modal();
                $('.modal-body p').text('请输入内容，账户密码不能为空!')

                return;
            }
            //4.发起ajax请求，验证登录
            $.ajax({
                type: 'post',
                url: BigNew.user_login,
                data: {
                    username: username,
                    password: password
                },
                success: backData => {
                    console.log(backData);
                    if (backData.code == 200) {

                        //4.5将返回的token保存到本地
                        localStorage.setItem('bignews', backData.token);

                        // alert(backData.msg); //原生的弹出可以卡住代码的执行
                        $('#myModal').modal();
                        $('.modal-body p').text('恭喜你，登录成功!')
                            //bootstrap的弹窗无法卡住代码，所以会直接跳转

                        //当弹出被关闭的时候，再发生页面跳转
                        $('#myModal').on('hidden.bs.modal', function(e) {
                            //5.当模态框被关闭时，再实现页面跳转
                            window.location = './index.html';
                        })

                    }
                }
            })
        })
    })
</script>